Home / 13,000.04-17,937.42-7,695.62

Finding the Fourth Proportional to 13,000.04, 17,937.42 and 7,695.62

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Solution

The fourth proportional to 13,000.04, 17,937.42 and 7,695.62 is: 10,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.04 : 17,937.42 = 7,695.62 : x
  2. Step 2: Convert to fraction form
    13,000.04/17,937.42 = 7,695.62/x
  3. Step 3: Cross multiply
    13,000.04x = 17,937.42 × 7,695.62
  4. Step 4: Simplify right side
    13,000.04x = 138,039,568.10
  5. Step 5: Solve for x
    x = 138,039,568.10/13,000.04
  6. Step 6: Final answer
    x = 10,618.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.